Gpg Mac Os X Download

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Part 0 – Introduction

Here’s my basic guide for PGP on OS X. The OS in question is OS X 10.9 Mavericks, but it should still work for other versions. As for the tool itself, we’ll be using GPG Suite Beta 5. This is my first time using OS X in… years. If you see anything I’m doing wrong, or could be done easier, feel free to correct me in the comments.

If you’ve done your research, you’ll see it’s not recommended to do anything darknet related on OS X, but I’m not going to go over the details here. You’ve obviously made your decision.

Oct 11, 2013. To combat this, we will show you the two easiest ways to use PGP on your Mac: Method 1: Malivelope. Mailvelope is a free and open-source browser extension for Chrome and Firefox that makes using PGP on your Mac about as easy as PGP is ever likely to get. Please check out our full Mailvelope How-to guide for a detailed look at how it works.

Part 1 – Installing the software

Like I said above, we’ll be using GPG Suite Beta 5. If you’re curious and want to see the source code, you can do so here.

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  1. Head on over to https://gpgtools.org, and download ‘GPG Suite Beta 5′
  2. Open the file you downloaded, you should see this screen. Double click on ‘Install’
  3. Follow the installation process. If successful, you should see this screen. You can now close the window

Part 2 – Creating your keypair

GPG Suite actually makes this a super simple process. Just like the Linux guide, we’ll be using 4096 bit length for encryption.

  1. Open up GPG Keychain, you should be greeted by this beautiful window
  2. Click ‘New’ at the top left of the window
  3. You should see a small popup. Click the arrow beside ‘Advanced options’, make sure the key length is 4096. For our purposes, we’ll uncheck ‘key expires’. Put your username where it says ‘full name’, fill out what you want for email, and create a secure passphrase. Check the picture for an example on how to fill it out. When complete, click ‘Generate key’
  4. GPG Keychain will begin generating your key. Move the mouse around, mash keys in a text editor, have something downloading. Do random stuff to create entropy for a secure key.
  5. annndddddd we’re done!

Part 3 – Setting up the environment

This is where OS X differs from other platforms. The suite itself doesn’t provide a window to encrypt/decrypt messages, so we need to enable some options.

  1. Go into system preferences, open up ‘Keyboard’
  2. You should see this window. Click the ‘Keyboard Shortcuts’ tab at the top, then ‘Services’ in the left pane. Scroll down in the right pane to the subsection labeled ‘Text’, and to the OpenPGP options. Here you can create keyboard shortcuts. We’ll uncheck everything OpenPGP that’s under ‘Text’, and delete their shortcuts. Now we’ll enable ‘Decrypt’, ‘Encrypt’, and ‘Import key’. Create keyboard shortcuts for these if you wish. Check the picture to make sure you’re doing everything correctly. You can now close the window.

Part 4 – Obtaining your public key

This part is super simple.

  1. Open up GPG Keychain, select your key
  2. At the top of the window, click ‘Export’
  3. Give it a name, make sure ‘include secret key in exported file’ is unchecked, and click ‘save’
  4. Open your text editor of choice, browse to where you saved the key, open it
  5. There it is. Copy and paste this on your market profile to make it easier for people to contact you

Part 5 – Obtaining your private key

Again, super simple.

  1. Open up GPG Keychain, select your key
  2. At the top of the window, click ‘Export’
  3. Keep the file name it gives you, check ‘Include secret key in exported file’, then click save

Keep this file in a safe place, and don’t forget your passphrase. You’re fucked without it!

Part 6 – Importing a public key

This is really easy.

  1. Find the key you want to import.
  2. Copy everything from ‘—–BEGIN PGP PUBLIC KEY BLOCK—–‘ to ‘—–END PGP PUBLIC KEY BLOCK—–‘
  3. Paste it into your favourite text editor, highlight everything, right click, go to ‘Services’, then ‘OpenPGP: Import key’
  4. You’ll see this window pop up confirming the key has been imported, click ‘Ok’
  5. Open up GPG Keychain just to confirm the key is there

Part 7 – Importing a private key

Again, really easy.

  1. Open GPG Keychain, click ‘Import’ at the top
  2. Browse to where your key is, click it, then click ‘Open’. It should have a .asc file extension
  3. You’ll see this pop up confirming your key has been imported. Click ‘Close’

Part 8 – Encrypting a message

  1. Open your text editor of choice, write your message
  2. Highlight the message, right click, ‘Services’, ‘OpenPGP: Encrypt’
  3. A window should appear. Select who you’re sending it to, sign it with your key if you wish, click ‘Ok’
  4. Copy everything, and send it to the recipient

Part 9 – Decrypting a message

Pretty much the same process as encrypting

  1. Open your text editor of choice, paste the message
  2. Highlight everything, right click, ‘Services’, ‘OpenPGP: Decrypt’
  3. A window should pop up. Enter your passphrase, then click ‘Ok’
  4. aannnddddd there’s your message

Part 10 – Conclusion

That wasn’t too hard, was it? Like I said in the intro, you shouldn’t be using OS X for DNM activities due to privacy issues, but I won’t go into it. This took forever to complete because OS X is a bitch to get running properly in a virtual machine. A guide for Windows will be coming next week!

Shortlink: drk.li/472

October 11, 2013

This document is intended to help people quickly get started encrypting their email on Mac OS X

Some background:

This tutorial will guide you through installing and configuring several pieces of software which can be used to protect the content of your email from interception by 3rd parties by using encryption.

During this tutorial you will generate a 'key pair' for encrypting files. The key pair consists of two parts: the public key and the private key. The public key is used to encrypt plaintext or to verify a digital signature; whereas the private key is used to decrypt encrypted text or to create a digital signature. It is OK to give out your public key to others. Conversely, you should never give your private key to anyone unless you want them to be able to read your encrypted email or files. For further reading see the Wikipedia entry on public-key cryptography.

Mozilla Thunderbird is a free, open source, cross-platform email client developed by the Mozilla Foundation.

GNU Privacy Guard (GPG) is a free, open source cross-platform alternative to the 'Pretty Good Privacy' (PGP) suite of cryptographic software. GPG can be used to encrypt many types of files but in this tutorial we will focus on its most common use which is for encrypting email.

Enigmail is a plug-in for Mozilla Thunderbird which adds support for encrypting and decrypting emails to make the process easier.

Important: Known Limitations:
- Encrypting your emails with GPG is a countermeasure against interception of the contents of the email by 3rd parties. However it does not solve the issue of meta-data. In other words, adversaries may still be able to figure out who you are emailing with, the subject line of your email and other information such as the frequency of your communications or the size of your encrypted messages.

- It is possible to encrypt email attachments ( files you attach to your email ) but you need to pay special attention to the informational dialog boxes to make sure that you are doing what you intend. Don't just click 'OK' a bunch of times.

Step 1: Download and install Mozilla Thunderbird

Go to https://mozilla.org/thunderbird and click the green button to begin downloading Thunderbird.

Once the download completes, the Thunderbird archive should be in your downloads folder, which is accessible from the task bar at the bottom of your screen. Click on the archive to open it.

A dialog box will open up saying something like 'Opening Thunderbird 24.0.dmg'. It will go through several stages: verifying, checking volumes, mounting. After a few seconds, a folder will open up containing the Thunderbird application. If you have ever installed a Mac OS X application this next step should be familiar to you. /download-mac-10100.html. Simply drag the Thunderbird icon onto the Applications Folder icon that is also inside the folder. This will install the application on your system.

Step 2: Download and install GPGtools

In your web browser, go to https://gpgtools.org/. Scroll down to where there is a button that says 'Download GPG suite' and click on that button.

The file will download and once the download completes, the GPG suite archive should be in your downloads folder. Now you will follow similar actions as in the previous step: click on the archive to open it. After a few seconds, a folder will open up containing the GPG suite installer. This time however, instead of dragging the application to install it, you need to double click on the 'Installer' application which looks like an open box. This will install the GPG suite on your computer.

Click 'continue', then click 'install'. The programs will be installed. Once the installation is complete, you will be presented with a window titled 'GPG Keychain Access'.

Step 3: Generate your GPG key pair

In the GPG Keychain Access window, click on the triangle next to 'Advanced Options' and change the key size to 4096 bits. The larger the key size, the longer it would take to 'brute force' the encrypted materials. With the increase in CPU power in recent years, it doesn't make sense to choose anything less than 4096 bits.

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There is an ability to set an expiration date for your key. It makes sense to leave that set at the default, which is 4 years in the future. When you are satisfied with the settings, click 'Generate'.

A small window will pop up requesting that you set a passphrase to protect your key with. If your key ever falls into the hands of an adversary, this passphrase will be the only thing protecting your encrypted data from being unlocked. Therefore you should choose a long and complicated passphrase that will be difficult to guess. You will be prompted to enter your passphrase a second time.

During the generation of the key, the program asks you to generate some random activity by moving your mouse around, and by typing into another application. When the key generation is complete, you will be returned to the main screen of GPG Keychain Access and you will see two keys, one for the GPG Tools Team, and your key that you just generated.

Step 4: Obtaining the fingerprint of your key

If you hold down the 'control' key and then click on your key, a context menu will appear with a number of options. Select 'show info'.

In the show info screen you can see the 'fingerprint' of your key. This fingerprint is not secret. It is useful for other people to be able to verify your key's authenticity. Sometimes people print their GPG fingerprint on their business card, other times people publish it on their twitter profile or website or another public place.

Close the show info screen.

Step 5: Generating a revocation certificate and saving it in a safe place

Additionally, if you hold down the 'control key' again and then click on your key, when the context menu appears, you can choose the option 'Generate revoke certificate' which will create a file that will let you revoke your key from the public key servers, should you ever lose your key pair. You should place this revoke certificate on removable media ( a USB drive, burned onto a CD ) and then store it somewhere safe, perhaps at an off-site location such as a safety deposit box, hidden in a desk drawer or a closet.

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Step 6: Uploading your key to the public key servers

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If you want other people to be able to obtain your public key and send you encrypted emails without you having specifically sent your public key to them beforehand, then you should upload your key to the public key servers.

Step 7: Configuring Mozilla Thunderbird to work with your email account

Here is a link to Mozilla's instructions on how to set up Thunderbird to work with your email account.

Step 8: Install Enigmail plugin for Thunderbird

Once your email account is working in Thunderbird, the next step is to install Enigmail plugin. Enigmail adds integration with GPG into Thunderbird to make it easier to encrypt and decrypt emails and to import other people's public keys that you may receive in email.

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In Thunderbird's menus, click on 'Tools' and then select 'Add-ons'. When you get to the Add-ons screen, in the search window in the upper right hand corner, type 'Enigmail' and hit return. The search function should bring up the option for you to install Enigmail. As of this writing, the latest version is 1.5.2. Click 'install' to install the plugin.

After installing you will get a notice saying 'Enigmail will be installed after you restart Thunderbird.' and giving you the option to restart now. Choose restart now. Thunderbird will restart.

Step 9: Configuring Enigmail

When Thunderbird has restarted, go back to the 'Tools' menu and select 'Add-ons'. When the Add-ons screen appears, select the 'Extensions' tab. You should see an entry for Enigmail. Hit the 'preferences' button. In the preferences screen, under 'Basic Settings' it may say 'cannot find GnuPG' if so, click the 'override with' button and type '/usr/local/bin/gpg' into the text entry box.

Hit 'OK' to close the preferences window. Then close the 'Add-ons manager tab'

Now, select the 'Tools' menu again and this time choose 'Account settings..' You should see your email account in the account settings window. Select 'OpenPGP Security' and then select the checkbox for 'Enable OpenPGP support (Enigmail) for this identity'